German ophthalmologist; born at Marienburg, West Prussia, April 14, 1841; died at Cologne March 7, 1899. Educated at the universities of Breslau and Berlin (M.D. 1864), he in 1867 settled as an ophthalmologist in Cologne. Samelsohn wrote several important essays upon ophthalmology, which appeared in Gräfe's "Archiv für Ophthalmologie" and in Knapp's "Archiv für Augenheilkunde." Well known is his "Die Bedeutung der Lichtsinnuntersuchung in der Praktischen Ophthalmologie," 1885, for which work he received the Gräfe prize. He was besides the author of "Ueber Augenerkrankungen bei Spinalleiden" and "Ueber die Incongruenz der Netzhäute."
- Pagel, Biog. Lex.